Physics The unit of noise pollution (level) is : None of these Decibel Decimal Ppm None of these Decibel Decimal Ppm ANSWER DOWNLOAD EXAMIANS APP
Physics Electric power is measured in units of Ampere Volt Watt Joule Ampere Volt Watt Joule ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They emit light of a constant intensity Their distance from the earth does not change with time They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. They emit light of a constant intensity Their distance from the earth does not change with time They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 10 cm 5 cm 15 cm 20 cm 10 cm 5 cm 15 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because Respiration does not take place at low temperature There is mechanical loss of tissues and drought condition prevails Photosynthesis does not take place at such low temperature Evaporation does not take place Respiration does not take place at low temperature There is mechanical loss of tissues and drought condition prevails Photosynthesis does not take place at such low temperature Evaporation does not take place ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above ANSWER DOWNLOAD EXAMIANS APP